[INFO] cloning repository https://github.com/PavelVavruska/hacker-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PavelVavruska/hacker-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dac4ed8541cf90fa2aa6992111a93d6bca1158c7 [INFO] testing PavelVavruska/hacker-code against 1.86.0 for beta-1.87-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PavelVavruska/hacker-code [INFO] finished tweaking git repo https://github.com/PavelVavruska/hacker-code [INFO] tweaked toml for git repo https://github.com/PavelVavruska/hacker-code written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PavelVavruska/hacker-code already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4dcedd80586a3503ca0829bd18e13df79ec27993f26e9aef304ab1fea1ac308d [INFO] running `Command { std: "docker" "start" "-a" "4dcedd80586a3503ca0829bd18e13df79ec27993f26e9aef304ab1fea1ac308d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dcedd80586a3503ca0829bd18e13df79ec27993f26e9aef304ab1fea1ac308d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dcedd80586a3503ca0829bd18e13df79ec27993f26e9aef304ab1fea1ac308d", kill_on_drop: false }` [INFO] [stdout] 4dcedd80586a3503ca0829bd18e13df79ec27993f26e9aef304ab1fea1ac308d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75a1f25a0cea73b8418557dc1fd050ccd9f85417b085d4601526b43a40aee3be [INFO] running `Command { std: "docker" "start" "-a" "75a1f25a0cea73b8418557dc1fd050ccd9f85417b085d4601526b43a40aee3be", kill_on_drop: false }` [INFO] [stderr] Compiling hacker-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `Cacher_u32` should have an upper camel case name [INFO] [stdout] --> src/rust_book/closures_cacher.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher_u32 u32> { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/questions/palindrome_linked_list.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/questions/palindrome_linked_list.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 12 | #[inline] [INFO] [stdout] 13 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome` is never used [INFO] [stdout] --> src/questions/palindrome_linked_list.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 18 | pub fn is_palindrome(head: Option>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/questions/palindrome_number.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `is_palindrome`, `is_palindrome_i64_hack`, and `is_palindrome_string_version` are never used [INFO] [stdout] --> src/questions/palindrome_number.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 7 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | pub fn is_palindrome_string_version(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/questions/reverse_linked_list.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/questions/reverse_linked_list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 11 | #[inline] [INFO] [stdout] 12 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `reverse_list` is never used [INFO] [stdout] --> src/questions/reverse_linked_list.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 17 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/questions/roman_to_integer.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `roman_to_int` is never used [INFO] [stdout] --> src/questions/roman_to_integer.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_number_of_pairs` is never used [INFO] [stdout] --> src/questions/socks.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn get_number_of_pairs(_number: i8, color_array: &[i8]) -> i8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/questions/two_sums.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `two_sum` is never used [INFO] [stdout] --> src/questions/two_sums.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 4 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 5 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_employee_to_department` is never used [INFO] [stdout] --> src/rust_book/collections_hashmap.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn add_employee_to_department( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_employees_from_department` is never used [INFO] [stdout] --> src/rust_book/collections_hashmap.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn get_employees_from_department( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_all_employees_from_company` is never used [INFO] [stdout] --> src/rust_book/collections_hashmap.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn get_all_employees_from_company(company: &HashMap>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_pig_latin` is never used [INFO] [stdout] --> src/rust_book/collections_string.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn get_pig_latin(input_str: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_median` is never used [INFO] [stdout] --> src/rust_book/collections_vec.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_median(int_list: &mut Vec) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/rust_book/traits.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn largest(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/rust_book/traits.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher_u32` is never constructed [INFO] [stdout] --> src/rust_book/closures_cacher.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher_u32 u32> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl u32> Cacher_u32 { [INFO] [stdout] | ------------------------------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(computation: T) -> Cacher_u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn value(&mut self, number: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/rust_book/closures_cacher.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct Cacher U, U: Copy> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl U, U: Copy> Cacher { [INFO] [stdout] | ----------------------------------------- associated items in this implementation [INFO] [stdout] 35 | pub fn new(computation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn value(&mut self, input_value: U) -> U { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CacherHash` is never constructed [INFO] [stdout] --> src/rust_book/closures_cacher.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct CacherHash V, K: Eq+Hash, V: Copy+Eq+Hash > { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 61 | impl V, K: Clone+Eq+Hash, V: Copy+Eq+Hash> CacherHash { [INFO] [stdout] | -------------------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 62 | pub fn new(computation: T) -> CacherHash { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn value(&mut self, input_value: K) -> V { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/rust_book/iterators.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rust_book/iterators.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 6 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "75a1f25a0cea73b8418557dc1fd050ccd9f85417b085d4601526b43a40aee3be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75a1f25a0cea73b8418557dc1fd050ccd9f85417b085d4601526b43a40aee3be", kill_on_drop: false }` [INFO] [stdout] 75a1f25a0cea73b8418557dc1fd050ccd9f85417b085d4601526b43a40aee3be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bdd39ee14c2ba6f7b5a554c02ec89f0fabf0f67db5ea1c63e1becc6e57b0471 [INFO] running `Command { std: "docker" "start" "-a" "1bdd39ee14c2ba6f7b5a554c02ec89f0fabf0f67db5ea1c63e1becc6e57b0471", kill_on_drop: false }` [INFO] [stderr] Compiling hacker-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `Cacher_u32` should have an upper camel case name [INFO] [stdout] --> src/rust_book/closures_cacher.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher_u32 u32> { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/rust_book/closures_cacher.rs:178:17 [INFO] [stdout] | [INFO] [stdout] 178 | for i in 1..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `is_palindrome_i64_hack` and `is_palindrome_string_version` are never used [INFO] [stdout] --> src/questions/palindrome_number.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | pub fn is_palindrome_string_version(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_employees_from_department` is never used [INFO] [stdout] --> src/rust_book/collections_hashmap.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn get_employees_from_department( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/rust_book/traits.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> src/rust_book/ref_weak_strong.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | parent: RefCell>, [INFO] [stdout] 7 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "1bdd39ee14c2ba6f7b5a554c02ec89f0fabf0f67db5ea1c63e1becc6e57b0471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bdd39ee14c2ba6f7b5a554c02ec89f0fabf0f67db5ea1c63e1becc6e57b0471", kill_on_drop: false }` [INFO] [stdout] 1bdd39ee14c2ba6f7b5a554c02ec89f0fabf0f67db5ea1c63e1becc6e57b0471 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 670b33ebb14155086935ca36c0bbd809fce845df1c4e500dfadaeade7f2e846a [INFO] running `Command { std: "docker" "start" "-a" "670b33ebb14155086935ca36c0bbd809fce845df1c4e500dfadaeade7f2e846a", kill_on_drop: false }` [INFO] [stderr] warning: type `Cacher_u32` should have an upper camel case name [INFO] [stderr] --> src/rust_book/closures_cacher.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Cacher_u32 u32> { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/rust_book/closures_cacher.rs:178:17 [INFO] [stderr] | [INFO] [stderr] 178 | for i in 1..1000 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated functions `is_palindrome_i64_hack` and `is_palindrome_string_version` are never used [INFO] [stderr] --> src/questions/palindrome_number.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 3 | impl Solution { [INFO] [stderr] | ------------- associated functions in this implementation [INFO] [stderr] ... [INFO] [stderr] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 78 | pub fn is_palindrome_string_version(x: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `get_employees_from_department` is never used [INFO] [stderr] --> src/rust_book/collections_hashmap.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn get_employees_from_department( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `main` is never used [INFO] [stderr] --> src/rust_book/traits.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `value` and `children` are never read [INFO] [stderr] --> src/rust_book/ref_weak_strong.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 4 | struct Node { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 5 | value: i32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 6 | parent: RefCell>, [INFO] [stderr] 7 | children: RefCell>>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `hacker-code` (bin "hacker-code" test) generated 6 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hacker_code-a814d38ea2f6cdc8) [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_1 ... ok [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_1 ... ok [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_3 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_2 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_3 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_1 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok [INFO] [stdout] test questions::reverse_linked_list::tests::test_example_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_4 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_2 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_3 ... ok [INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize_string_slice ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_i32 ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_usize ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_u32 ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_vowel ... ok [INFO] [stdout] test rust_book::ref_weak_strong::tests::test_scopes ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... ok [INFO] [stdout] test rust_book::iterators::tests::calling_next_directly ... ok [INFO] [stdout] test rust_book::traits::tests::test_main ... ok [INFO] [stdout] test rust_book::collections_hashmap::tests::test_get_consonant ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- rust_book::collections_hashmap::tests::test_get_consonant stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'rust_book::collections_hashmap::tests::test_get_consonant' panicked at src/rust_book/collections_hashmap.rs:87:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: ["department: Engineering employees: Sally, Pavel", "department: Sales employees: Amir, George"] [INFO] [stdout] right: ["department: Sales employees: Amir, George", "department: Engineering employees: Sally, Pavel"] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56cce98d0730 - std::backtrace_rs::backtrace::libunwind::trace::h2b8934d68a0c74cb [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x56cce98d0730 - std::backtrace_rs::backtrace::trace_unsynchronized::h72d137991fa6eab8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x56cce98d0730 - std::sys::backtrace::_print_fmt::h3e831e32e6da920b [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x56cce98d0730 - ::fmt::h6d42cc84fc840290 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x56cce98f7ad3 - core::fmt::rt::Argument::fmt::h7239af9e2199f2a8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/rt.rs:177:76 [INFO] [stdout] 5: 0x56cce98f7ad3 - core::fmt::write::h5af61a909e3ec64d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/fmt/mod.rs:1449:21 [INFO] [stdout] 6: 0x56cce98cd853 - std::io::Write::write_fmt::h64baa9197d9a3b04 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/io/mod.rs:1890:15 [INFO] [stdout] 7: 0x56cce98d0582 - std::sys::backtrace::BacktraceLock::print::h555579e7396c26ac [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x56cce98d1b5f - std::panicking::default_hook::{{closure}}::h9128866118196224 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:298:22 [INFO] [stdout] 9: 0x56cce98d1978 - std::panicking::default_hook::h52e9e7314e0255f6 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:322:9 [INFO] [stdout] 10: 0x56cce989b665 - as core::ops::function::Fn>::call::hb86f691850cc3c26 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 11: 0x56cce989b665 - test::test_main::{{closure}}::h903d8079e3c94d93 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x56cce98d25d3 - as core::ops::function::Fn>::call::h7c356b28a03897d7 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1990:9 [INFO] [stdout] 13: 0x56cce98d25d3 - std::panicking::rust_panic_with_hook::h541791bcc774ef34 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:839:13 [INFO] [stdout] 14: 0x56cce98d22aa - std::panicking::begin_panic_handler::{{closure}}::h6479a2f0137c7d19 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:704:13 [INFO] [stdout] 15: 0x56cce98d0c49 - std::sys::backtrace::__rust_end_short_backtrace::ha04e7c0fc61ded91 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 16: 0x56cce98d1f3d - rust_begin_unwind [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:695:5 [INFO] [stdout] 17: 0x56cce983cd50 - core::panicking::panic_fmt::h5764ee7030b7a73d [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:75:14 [INFO] [stdout] 18: 0x56cce983d14a - core::panicking::assert_failed_inner::h75e36b16d296c663 [INFO] [stdout] 19: 0x56cce984b1b2 - core::panicking::assert_failed::h5289025a6f3b1800 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panicking.rs:380:5 [INFO] [stdout] 20: 0x56cce98517fe - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::h9768f07ff3a6ed8f [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 21: 0x56cce9850e17 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h0812435d918242b7 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:28 [INFO] [stdout] 22: 0x56cce98480b6 - core::ops::function::FnOnce::call_once::h827f70926b177769 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x56cce98a0deb - core::ops::function::FnOnce::call_once::h1dfa20b1ec1f6e08 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x56cce98a0deb - test::__rust_begin_short_backtrace::h7b10906492afc420 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:637:18 [INFO] [stdout] 25: 0x56cce989fcd8 - test::run_test_in_process::{{closure}}::h51c1c0d319f72c0a [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:60 [INFO] [stdout] 26: 0x56cce989fcd8 - as core::ops::function::FnOnce<()>>::call_once::h5fadb750f3dbe714 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x56cce989fcd8 - std::panicking::try::do_call::h1ca5071cef82bb40 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 28: 0x56cce989fcd8 - std::panicking::try::h6931de76fb9a61b1 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 29: 0x56cce989fcd8 - std::panic::catch_unwind::h67fc9dccf413f4e5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 30: 0x56cce989fcd8 - test::run_test_in_process::ha966dfbb1d048be5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:660:27 [INFO] [stdout] 31: 0x56cce989fcd8 - test::run_test::{{closure}}::he209928ac5e8a3b8 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:581:43 [INFO] [stdout] 32: 0x56cce9863c65 - test::run_test::{{closure}}::h34c6289e0b5ed5a5 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/test/src/lib.rs:611:41 [INFO] [stdout] 33: 0x56cce9863c65 - std::sys::backtrace::__rust_begin_short_backtrace::h365aabf21799e6fc [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x56cce98676da - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3d5e582cba74b1c3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x56cce98676da - as core::ops::function::FnOnce<()>>::call_once::h1214c75c3f73f94f [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x56cce98676da - std::panicking::try::do_call::h73540336a45c0cec [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:587:40 [INFO] [stdout] 37: 0x56cce98676da - std::panicking::try::h428956564307af63 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panicking.rs:550:19 [INFO] [stdout] 38: 0x56cce98676da - std::panic::catch_unwind::h1a53a6ea2f2041e3 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/panic.rs:358:14 [INFO] [stdout] 39: 0x56cce98676da - std::thread::Builder::spawn_unchecked_::{{closure}}::hac66cbb88d807e14 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x56cce98676da - core::ops::function::FnOnce::call_once{{vtable.shim}}::had7e2d02878d3212 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x56cce98d631b - as core::ops::function::FnOnce>::call_once::h292d1663b0785fda [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 42: 0x56cce98d631b - as core::ops::function::FnOnce>::call_once::h9d4af7b531852d72 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/alloc/src/boxed.rs:1976:9 [INFO] [stdout] 43: 0x56cce98d631b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc5ed016d554f327 [INFO] [stdout] at /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/sys/pal/unix/thread.rs:106:17 [INFO] [stdout] 44: 0x702c78626aa4 - [INFO] [stdout] 45: 0x702c786b3a34 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] rust_book::collections_hashmap::tests::test_get_consonant [INFO] [stdout] [INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "670b33ebb14155086935ca36c0bbd809fce845df1c4e500dfadaeade7f2e846a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "670b33ebb14155086935ca36c0bbd809fce845df1c4e500dfadaeade7f2e846a", kill_on_drop: false }` [INFO] [stdout] 670b33ebb14155086935ca36c0bbd809fce845df1c4e500dfadaeade7f2e846a